What restrictions are there using a second-level domain?

This article has been moved to my personal domain and can be found at the following URL: https://kesen.wang/what-restrictions-are-there-using-a-second-level-domain-from-ameba-in-google-search-console/

KESEN+

Canadian born , Asia grown. Kesen is a personal blog with a focus on Asia Pacific, SEO, Wordpress & self-composed music. KPU Asian Studies.